package com.hxjy.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
 * 处理字符乱码过滤
 * @author 李彬
 *
 */
public class EncodingFilter implements Filter {

	String encod = null;

	public void destroy() {

		
	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		HttpServletRequest hrequest = (HttpServletRequest) request;
		HttpServletResponse hresponse = (HttpServletResponse) response;
		hrequest.setCharacterEncoding(encod);
		hresponse.setCharacterEncoding(encod);
		chain.doFilter(request, response);
	}

	public void init(FilterConfig config) throws ServletException {
		String encod = config.getInitParameter("encod");
		this.encod = encod;

	}

}
